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A quarter stick, colloquially known as the M-1000, is a large firecracker that falls within a certain range of dimensions: 1" x 2.5" or 3/4" x 6". These salutes typically carry 25 grams of flash powder but in rare occasions have been measured and can contain upward to 30 grams. Like the others, a piece of visco fuse 2 to 4 inches is protruding ...
Later, M-80s were manufactured as consumer fireworks made from a small cardboard tube, often red, approximately 1 + 1 ⁄ 2 inches (3.8 cm) long and 9 ⁄ 16 inch (1.4 cm) inside diameter, with a fuse coming out of the side; this type of fuse is commonly known as cannon fuse or Visco fuse, after a company responsible for standardizing the product.
They are much more powerful than an M-80 which only contains 3 to 5 grams. In the United States, M-100s are illegal to manufacture, possess, and sell without a proper license, and are regulated by the Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF). [1] M-100s were first banned by the Child Protection Act of 1966. [2]
1,000,000-cracker "teepee" built at Western Winter Blast in 2006. A superstring, also known as a cracker wall, is a name commonly given to an immense bundle of firecrackers, usually numbering in the hundreds of thousands, which are often a central fixture at fireworks conventions.
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Firecracker welding [1] Firecracker welding is a rarely used form of shielded metal arc welding (SMAW). A flux-coated electrode, as used for SMAW (manual stick welding), is laid horizontally above a close-fitting butt weld. An arc is struck at one end of the electrode, which then burns along the length of the electrode. [2]
Piccolo (also sold under the trade names Great Bawang, Piccolo Corsair and numerous others) is a name given to a type of firecracker in the form of a thin small cylindrical stick filled with gunpowder and lit in the same way as a match.
The bomb consisted of a block of explosive, into which was inserted a metal tube of about 7 cm containing an OTO Mod. 35 hand grenade (known to the British as the "Red Devil") to serve as a detonator. The whole assembly was then covered with a canvas bag fitted with a transport hook.